Total T4 — lab reference
In the reference guideAffected by thyroid-binding globulin, pregnancy, estrogen, and medications.
THE PURSER WELLNESS ENCYCLOPEDIA
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What’s searchable?Calcium, total — lab reference
Some search terms matchedCorrect for albumin when appropriate or measure ionized calcium.
Bilirubin, total — lab reference
Some search terms matchedFasting, Gilbert syndrome, hemolysis, and liver disease may alter result.
Total protein — lab reference
Some search terms matchedAsk your clinician to review albumin, globulin, and electrophoresis when indicated.
Total cholesterol — lab reference
Some search terms matchedScreening measure, not a stand-alone treatment target.
Free T4 — lab reference
Some search terms matchedBinding abnormalities and severe illness may affect some free-hormone assays.
Total T3 — lab reference
Some search terms matchedAffected by binding proteins and nonthyroidal illness.
Total iron-binding capacity (TIBC) — lab reference
Some search terms matchedAsk your clinician to read this result with iron, transferrin saturation, and ferritin.
Homocysteine, total — lab reference
Some search terms matchedNo universal wellness target. Ask your clinician to read this result with B12, folate, B6, kidney, thyroid, genetics, and medications.
25-hydroxyvitamin D, total — lab reference
Some search terms matched<10 severe deficiency; 10-19 mild-moderate deficiency. Toxicity assessment requires clinical context.
Testosterone, total — lab reference
Some search terms matchedMorning collection preferred for men. Method and age matter; confirm unexpected low values.
PSA, total — lab reference
Some search terms matchedNo single normal cutoff fits every patient. Ask your clinician to use age, baseline, trend, prostate size, risk factors, and shared decision-making.
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